New Delhi, Sept. 30 -- A post office investment scheme, the Kisan Vikas Patra (KVP) is a 115-month (9 years and seven months) investment, where you can deposit a lump sum amount to double over the full tenure.

Started in 1988 as an initiative to help farmers save for the long term, KVP is now available to all Indian citizens above the age of 10 years.

For minors (below 18 years of age) an adult can open the account and then transfer the same once they attain major age. The scheme has a minimum start investment of Rs.1,000, with no upper cap.

All deposits require Aadhaar as proof of identity; and since 2014, investments above Rs.50,000 require PAN Card proof, while for deposits of Rs.10 lakh and more investors must also show income proo...